A noise control/filtering device of various sizes, shapes, designs, materials (metallic/non-metallic) and varied mounting configurations used to diffuse air blasts, lowers air velocity, reduce noise, filtration of airborne moisture and/or dust contamination, pressure equalization, speed control for air operated devices. For vehicular application see muffler, (as modified).
Classification: Machinery parts not containing electrical features, and not specified or included elsewhere in chapter 84, except ships' propellers
NSN 5985-01-322-8174
NSN 5975-01-496-5917
NSN 5895-01-282-6790
NSN 4140-01-282-0744
NSN 5996-00-061-0336
NSN 5925-01-350-1207
NSN 6650-01-590-3670
NSN 6610-00-232-9485
NSN 5835-00-446-2944
NSN 6145-01-282-3464
NSN 6610-00-267-9944
NSN 7035-01-656-1113